CVE-2021-26112

Description

Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.87% Top 15%
Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiWAN
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-21-065 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-26112?
CVE-2021-26112 has been scored as a high severity vulnerability.
How to fix CVE-2021-26112?
To fix CVE-2021-26112, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-26112 being actively exploited in the wild?
It is possible that CVE-2021-26112 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26112?
CVE-2021-26112 affects Fortinet Fortinet FortiWAN.
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